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Niobium sheet Niobium plate Nb sheet Nb plate Columbium sheet Cb plate

  • Niobium sheet Niobium plate Nb sheet Nb plate Columbium sheet Cb plate
  • Niobium sheet Niobium plate Nb sheet Nb plate Columbium sheet Cb plate
  • Niobium sheet Niobium plate Nb sheet Nb plate Columbium sheet Cb plate
  • Niobium sheet Niobium plate Nb sheet Nb plate Columbium sheet Cb plate
  • Niobium sheet Niobium plate Nb sheet Nb plate Columbium sheet Cb plate
Model No.︰NB9994
Brand Name︰jxmetals
Country of Origin︰-
Unit Price︰-
Minimum Order︰-
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Product Description

Material :  Niobium plate,  Niobium sheet
Temper Condition: annealed
Chemical composition as per ASTM B393 -99 R04210
         C             0.01%max
         N             0.01%max
         O             0.025%max
         H             0.0015%max
         Zr            0.02%max
         Ta           0.3%max
         Fe           0.01%max
         Si            0.005%max
         W            0.05%max
         Ni            0.005%max
         Mo           0.02%max
         Hf            0.02%max
         Ti            0.03%max
         Al            0.005%max
Physical & Mechanical property :
         Tensile strength  125 MPa min.
         Yield strength     73 MPa min.
         Elongation          20%min
Size available :
- Niobium plate(ASTM B393 95 R04210-2)
  Thick 1.0mm up to 20mm x Width up to 650mm x Random Length

- Niobium sheet(ASTM B393 95 R04210)
  Thick 0.5mm up to 1.0mm x Width up to 650mm x Random Length

Typical size : 
         0.508mm x 508mm x 1000mm
         1.016mm x 500mm x 500mm

Standard Specification ASTM B 393 -05 for Niobium Ribbon, Niobium Alloy Ribbon, Niobium Strip, Niobium Alloy Strip, Niobium Foil, Niobium Alloy Foil, Niobium Sheet, Niobium Alloy Sheet, Niobium Plate, Niobium Alloy Plate.
This specification covers five grades of wrought Niobium Ribbon, Niobium Alloy Ribbon, Niobium Strip, Niobium Alloy Strip, Niobium Foil, Niobium Alloy Foil, Niobium Sheet, Niobium Alloy Sheet, Niobium Plate, Niobium Alloy Plate as follows: (Committee B10 has adopted "niobium" as the designation for Element No. 41, formerly named "columbium".)
1. ASTM B 393 -05 UNS R04200 -Type 1, Reactor grade unalloyed niobium;
2. ASTM B 393 -05 UNS R04210 -Type 2, Commercial grade unalloyed niobium;
3. ASTM B 393 -05 UNS R04251 -Type 3, Reactor grade niobium alloy containing 1% zirconium;
4. ASTM B 393 -05 UNS R04261 -Type 4, Commercial grade niobium alloy containing 1% zirconium;
5. ASTM B 393 -05 UNS R0xxxx  -Type 5, Residual Resistivity Ratio(RRR) grade pure niobium.
RRR values :  guaranteed min. RRR 300 *,    
* the Residual Resistivity Ratio RRR is defined as the ratio of electrical resistivity at 295K to electrical resistivity at 4,2K.  

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